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Mini Shell
Mini Shell
"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import base64
import json
import os
import time
from defence360agent.contracts.config import Malware, MalwareSignatures
from defence360agent.contracts.hook_events import HookEvent
from defence360agent.internals.global_scope import g
from defence360agent.utils import resource_limits
from imav.malwarelib.config import (
AIBOLIT_SCAN_INTENSITY_KEY,
MalwareScanResourceType,
)
from imav.malwarelib.model import MalwareIgnorePath
from imav.malwarelib.scan.mds import MDS_PATH
from imav.malwarelib.scan.mds.detached import MDSDetachedScanDir
from imav.malwarelib.utils import get_memory
class MalwareDatabaseScanner:
def __init__(
self,
initial_path,
paths,
intensity_cpu,
intensity_io,
intensity_ram,
scan_type,
scan_id,
**_,
):
self.scan_id = scan_id
self.initial_path = initial_path
self.paths = paths
self.intensity_cpu = intensity_cpu
self.intensity_io = intensity_io
self.intensity_ram = intensity_ram
self.scan_type = scan_type
def _cmd(self, work_dir):
return [
"/opt/ai-bolit/wrapper",
MDS_PATH,
"--scan",
"--path",
self.paths[0], # TODO: use whole list of files
"--avdb",
MalwareSignatures.MDS_AI_BOLIT_HOSTER,
"--report-file",
str(work_dir.report_file),
"--detached",
self.scan_id,
"--progress",
str(work_dir.progress_file),
"--ignore-list",
str(work_dir.ignore_file),
"--procudb",
MalwareSignatures.MDS_PROCU_DB,
"--memory",
get_memory(self.intensity_ram),
"--db-timeout",
str(Malware.MDS_DB_TIMEOUT),
]
async def scan(self, started=None):
with MDSDetachedScanDir(self.scan_id) as work_dir:
work_dir.ignore_file.write_bytes(
b"\n".join(
base64.b64encode(os.fsencode(path))
for path in MalwareIgnorePath.path_list(
resource_type=MalwareScanResourceType.DB.value
)
)
)
cmd = self._cmd(work_dir)
scan_info = {
"cmd": cmd,
"initial_path": self.initial_path,
"scan_type": self.scan_type,
}
with work_dir.scan_info_file.open(mode="w") as fp:
json.dump(scan_info, fp)
with work_dir.log_file.open(
mode="w"
) as l_f, work_dir.err_file.open(mode="w") as e_f:
scan_started_event = HookEvent.MalwareScanningStarted(
scan_id=self.scan_id,
scan_type=self.scan_type,
path=self.initial_path,
started=started or time.time(),
)
await g.sink.process_message(scan_started_event)
await resource_limits.create_subprocess(
cmd,
intensity_cpu=self.intensity_cpu,
intensity_io=self.intensity_io,
start_new_session=True,
stdout=l_f,
stderr=e_f,
cwd=str(work_dir),
key=AIBOLIT_SCAN_INTENSITY_KEY[self.scan_type],
)
Zerion Mini Shell 1.0